15dm332 ((CALCITE)), $1 MINIMUM BID, Madison, Wisconsin, 6 x 4 x 3.5 cm, Miniature, | |
A specimen with rhombs of Calcite from Wisconsin. It has a little shiny melted look which is a characteristic of Calcite that has been dipped in HCl to improve the look and clarity of the surface. Dennis McMurdie collection. |